Multiplying individual columns of a matrix

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Andrew MacPhee
Andrew MacPhee 2022-11-5
评论： Rik 2022-11-6
I'm trying to multiply each individual row of ytrain(by the given values) and save it as a column in theta. When I do it individually(as you can see by the theta1, theta2, ext, below) it works fine. It creates 10 785x1 vectors. But doing it like this I keep getting error's. I just don't want to have 10 different lines for this, but I'm not sure what I'm doing wrong here. Any thoughts?

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回答（1 个）

Rik
Rik 2022-11-5
You need to index ytrain the other way around, not ytrain(:,n), but ytrain(n,:).
  2 个评论
Rik
Rik 2022-11-6
You're welcome. If my answer solved the problem, please consider marking it as accepted answer. If you have any remaining issues, feel free to post a comment with details.

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